Cable duct



FIG. 1 is a right front perspective view of a cable duct embodying my new design;

FIG. 2 is a side elevational view thereof; the opposite side being a mirror image;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view of the cable duct shown on an enlarged scale;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a transverse cross-sectional view thereof taken along Line 7--7 of FIG. 3. 

The ornamental design for a cable duct, as shown and described. 